package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args) throws SQLException, ClassNotFoundException {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true", "root", "root");
        Statement statement = conn.createStatement();
        String sql ="UPDATE userinfo "+"SET password = 'wyf123456'"+" WHERE username = '星见雅'";
        int num = statement.executeUpdate(sql);
        if (num>0){
            System.out.println("修改成功");
        }else{
            System.out.println("修改失败");
        }
        conn.close();
    }
}
